﻿/*
* [The "BSD Licence"]
* Copyright (c) 2011-2013 Chundong Gao
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

using System;
using System.IO;
using System.Text.RegularExpressions;

namespace Gimela.Toolkit.CommandLines.Foundation
{
    public static class WildcardCharacterHelper
    {
        public static bool IsContainsWildcard(string path)
        {
            bool result = false;

            if (!string.IsNullOrEmpty(path))
            {
                if (path.Contains(@"*"))
                {
                    result = true;
                }
                else if (path.Contains(@"?"))
                {
                    result = true;
                }
            }

            return result;
        }

        public static string TranslateWildcardToRegex(string pattern)
        {
            return Regex.Escape(pattern).Replace(@"\*", @".*").Replace(@"\?", @".");
        }

        public static string TranslateWildcardFilePath(string file)
        {
            string path = string.Empty;

            if (!string.IsNullOrEmpty(file))
            {
                DirectoryInfo currentDirectory = new DirectoryInfo(Environment.CurrentDirectory);
                path = file.Replace(@"/", @"\\");
                if (path.StartsWith(@"." + Path.DirectorySeparatorChar, StringComparison.CurrentCulture))
                {
                    path = (currentDirectory.FullName
                      + Path.DirectorySeparatorChar
                      + path.TrimStart('.', Path.DirectorySeparatorChar)).Replace(@"\\", @"\");
                }
            }

            return path;
        }

        public static string TranslateWildcardDirectoryPath(string directory)
        {
            string path = string.Empty;

            if (!string.IsNullOrEmpty(directory))
            {
                DirectoryInfo currentDirectory = new DirectoryInfo(Environment.CurrentDirectory);
                path = directory.Replace(@"/", @"\\");
                if (path == @".")
                {
                    path = currentDirectory.FullName;
                }
                else if (path.StartsWith(@"." + Path.DirectorySeparatorChar, StringComparison.CurrentCulture))
                {
                    path = (currentDirectory.FullName
                      + Path.DirectorySeparatorChar
                      + path.TrimStart('.', Path.DirectorySeparatorChar)).Replace(@"\\", @"\");
                }
            }

            return path;
        }
    }
}
